Motherboard Features - Supermicro X7DB8 User Manual

X7DB8/X7DBE User's Manual

Motherboard Features

CPU
• Dual Intel ® 64-bit Xeon LGA 771 quad-core/dual-core processors at a front side
bus speed of 1.333 GHz/1.066 GHz/667 MHz with a system clock speed of
333/267 MHz
Memory
• Eight 240-pin DIMM sockets with support up to 16 (32) GB DDR2 Fully Buffered
(FBD) ECC 667/533 Memory (*See Section 2-3 in Chapter 2 for DIMM Slot
Population.)
Chipset
• Intel 5000P (Blackford) chipset, including: the 5000P (Blackford) Memory Con-
trol Hub (MCH), the Enterprise South Bridge 2 (ESB2), and the I/O subsystem
(PXH).
Expansion Slots
• Three PCI-Express slots (*two slots at x8@4GB/sec, one slot x4@2GB/sec.)
• Three 64-bit PCI-X slots (*two PCI-X-133 slots, one PCI-X-100 w/ZCR slot)
BIOS
®
• 8 Mb Phoenix Flash ROM
• DMI 2.3, PCI 2.2, ACPI 1.0, Plug and Play (PnP)
PC Health Monitoring
• Onboard voltage monitors for CPU cores, chipset voltage, +3.3V, +5V, +12V,
−12V and +5V standby
• Fan status monitor with fi rmware control
• CPU/chassis temperature monitors
• Platform Environment Control Interface (PECI) ready
• CPU fan auto-off in sleep mode
• CPU slow-down on temperature overheat
• CPU thermal trip support for processor protection, power LED
• Power-up mode control for recovery from AC power loss
• Auto-switching voltage regulator for CPU cores
• System overheat/Fan Fail LED Indicator and control
• Chassis intrusion detection
• System resource alert via Supero Doctor III
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